RDF::Core::Storage(3pm) - phpMan

RDF::Core::Storage(3pm)        User Contributed Perl Documentation        RDF::Core::Storage(3pm)



NAME
       RDF::Core::Storage - An abstract ancestor of storage implementations

DESCRIPTION
       Storage is the place where statements reside. It can add, remove, count and get statements
       and ask about their existence.

   Interface
       o   new(\%options)

           Options depend on implementation of descendant. (Such as RDF::Core::Storage::Memory,
           RDF::Core::Storage::DB_File, RDF::Core::Storage::Postgres.)

       o   addStmt($statement)

           Add RDF::Core::Statement instance to the storage, unless it already exists there.

       o   removeStmt($statement)

           Remove statement from the storage, if it's there.

       o   existsStmt($subject,$predicate,$object)

           Check if statement exists, that matches given mask. Parameters can be undefined, every
           value matches undefined parameter.

       o   countStmts($subject,$predicate,$object)

           Count matching statements.

       o   getStmts($subject,$predicate,$object)

           Retrieve matching statements. Returns RDF::Core::Enumerator object. (One of it's
           descendants.)

LICENSE
       This package is subject to the MPL (or the GPL alternatively).

AUTHOR
       Ginger Alliance, rdf AT gingerall.cz

SEE ALSO
       RDF::Core::Storage::Memory, RDF::Core::Storage::DB_File, RDF::Core::Storage::Postgres



perl v5.10.0                                2002-06-12                    RDF::Core::Storage(3pm)

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